Fan speed decreases, with more CPU temperature?

Emer1ca

Honorable
Apr 22, 2012
1
0
10,510
Hi my CPU FAN decrease from 1400 RPM to 700 - 800 RPM when i play games like Battlefield 3.

My normal CPU temperature is 28 - 35 ºc at 1350 RPM, and when i play games like BF3 the temperature go to 75 - 80 - 90 ºc and the CPU FAN RPM decrease to 700 - 800, i and dont know why, please help me thanks.
My PC
-Gigabyte GA-H57M
-CPU Intel core i5 760
-GPU Nvidia Geforce GTS 250
-power supply Corsair 550wts
 

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